(finance) Simultaneous expiry on US markets of stock index futures, stock index options, and stock options, which took place on the third Friday of March, June, September, and December. (With the introduction of single stock futures those days are now quadruple witching.)

(mathematics) A set of three positive integers a, b and c, for which a²+b²=c²

(golf) A score of three over par (for one hole)

Any of several triple-distilled liqueurs flavoured with fruit e.g. Curaçao, Cointreau, and Grand Marnier. / A branded liqueur from Curaçao flavoured with orange peel.

To perform in this athletics event.

An athletics field event where one has to travel as far as possible after taking one hop, a step, then a jump.

An action which is intended to be perceived as a double bluff, but which is in fact merely a bluff.

A bus with three storeys. / A three-storey apartment building. / A sandwich consisting of three levels of filling between four pieces of bread. / (journalism) A headline that is three lines long.

present participle of triple barrel

plural of triple barrel